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                    Closing price on 5/17/2016
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                    | Open | 30.10 |  
                    | High | 30.40 |  
                    | Low | 29.80 |  
                    | Volume | 384,980 |  
                    | Split-adjusted Price | 12.50 |  
                
             | 
 |  NT2 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/17/2016 | -0.30 / -1.00% | 30.10 | 30.40 | 29.80 | 29.80 | 29.97 | 12.50 | 384,980 |   |  
            | 5/16/2016 | +0.30 / +1.01% | 30.20 | 30.30 | 29.80 | 30.10 | 30.06 | 12.63 | 175,780 |   |  			
            | 5/13/2016 | -0.70 / -2.30% | 30.40 | 30.40 | 29.80 | 29.80 | 30.14 | 12.50 | 240,760 |   |  
            | 5/12/2016 | +0.40 / +1.33% | 30.00 | 30.70 | 30.00 | 30.50 | 30.31 | 12.79 | 723,210 |   |  			
            | 5/11/2016 | +0.10 / +0.33% | 30.10 | 30.20 | 29.90 | 30.10 | 30.02 | 12.63 | 342,280 |   |  
            | 5/10/2016 | +0.40 / +1.35% | 29.20 | 30.10 | 29.20 | 30.00 | 29.79 | 12.58 | 286,950 |   |  			
            | 5/9/2016 | +0.60 / +2.07% | 29.20 | 30.40 | 29.00 | 29.60 | 29.78 | 12.42 | 555,280 |   |  
            | 5/6/2016 | +0.10 / +0.35% | 28.80 | 29.20 | 28.80 | 29.00 | 29.01 | 12.16 | 263,510 |   |  			
            | 5/5/2016 | -0.10 / -0.34% | 29.00 | 29.10 | 28.70 | 28.90 | 28.88 | 12.12 | 471,630 |   |  
            | 5/4/2016 | -0.50 / -1.69% | 29.50 | 29.50 | 28.90 | 29.00 | 29.09 | 12.16 | 389,900 |   |  			
            | 4/29/2016 | +1.10 / +3.87% | 28.40 | 29.70 | 28.40 | 29.50 | 29.32 | 12.37 | 730,930 |   |  
            | 4/28/2016 | -0.30 / -1.05% | 28.60 | 28.80 | 28.40 | 28.40 | 28.51 | 11.91 | 319,770 |   |  			
            | 4/27/2016 | -0.60 / -2.05% | 29.10 | 29.10 | 28.60 | 28.70 | 28.80 | 12.04 | 450,180 |   |  
            | 4/26/2016 | -0.10 / -0.34% | 29.40 | 29.40 | 28.70 | 29.30 | 29.01 | 12.29 | 399,510 |   |  			
            | 4/25/2016 | +0.60 / +2.08% | 28.90 | 29.70 | 28.90 | 29.40 | 29.28 | 12.33 | 559,250 |   |  
            | 4/22/2016 | -0.70 / -2.37% | 29.50 | 29.50 | 28.50 | 28.80 | 28.87 | 12.08 | 1,675,360 |   |  			
            | 4/21/2016 | -1.10 / -3.59% | 30.60 | 30.60 | 29.50 | 29.50 | 29.84 | 12.37 | 665,630 |   |  
            | 4/20/2016 | -2.00 / -6.13% | 31.00 | 31.00 | 30.00 | 30.60 | 30.44 | 12.83 | 488,200 |   |  			
            | 4/19/2016 | -0.60 / -1.81% | 33.30 | 33.60 | 32.50 | 32.60 | 32.96 | 12.62 | 683,030 |   |  
            | 4/15/2016 | -0.70 / -2.06% | 33.80 | 34.20 | 33.20 | 33.20 | 33.61 | 12.86 | 600,690 |   |  			
            | 4/14/2016 | +0.20 / +0.59% | 33.70 | 34.20 | 33.70 | 33.90 | 33.94 | 13.13 | 344,120 |   |  
            | 4/13/2016 | -0.50 / -1.46% | 34.80 | 34.80 | 33.70 | 33.70 | 33.92 | 13.05 | 990,730 |   |  			
            | 4/12/2016 | +1.70 / +5.23% | 32.50 | 34.60 | 32.30 | 34.20 | 33.72 | 13.24 | 1,265,350 |   |  
            | 4/11/2016 | -0.20 / -0.61% | 32.80 | 32.80 | 32.30 | 32.50 | 32.52 | 12.58 | 595,600 |   |  			
            | 4/8/2016 | -0.30 / -0.91% | 33.10 | 33.50 | 32.50 | 32.70 | 32.81 | 12.66 | 590,270 |   |  
            | 4/7/2016 | 0.00 / 0.00% | 33.20 | 33.90 | 33.00 | 33.00 | 33.30 | 12.78 | 676,380 |   |  			
            | 4/6/2016 | +0.40 / +1.23% | 32.70 | 33.10 | 32.40 | 33.00 | 32.86 | 12.78 | 934,160 |   |  
            | 4/5/2016 | +0.80 / +2.52% | 32.50 | 32.70 | 31.80 | 32.60 | 32.33 | 12.62 | 452,150 |   |  			
            | 4/4/2016 | -0.10 / -0.31% | 31.70 | 32.90 | 31.70 | 31.80 | 31.98 | 12.31 | 779,150 |   |  
            | 4/1/2016 | -1.30 / -3.92% | 33.00 | 33.00 | 31.80 | 31.90 | 32.32 | 12.35 | 1,138,560 |   |  |